Home / 834,124,619.40-1,251,186,929.10-220,770,846.60

Finding the Fourth Proportional to 834,124,619.40, 1,251,186,929.10 and 220,770,846.60

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Solution

The fourth proportional to 834,124,619.40, 1,251,186,929.10 and 220,770,846.60 is: 331,156,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,124,619.40 : 1,251,186,929.10 = 220,770,846.60 : x
  2. Step 2: Convert to fraction form
    834,124,619.40/1,251,186,929.10 = 220,770,846.60/x
  3. Step 3: Cross multiply
    834,124,619.40x = 1,251,186,929.10 × 220,770,846.60
  4. Step 4: Simplify right side
    834,124,619.40x = 276,225,597,592,261,152
  5. Step 5: Solve for x
    x = 276,225,597,592,261,152/834,124,619.40
  6. Step 6: Final answer
    x = 331,156,269.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.